Sure, no one wants to be the killjoy who brings bad news, but you know what?

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Does it have the momentum to support risk-on or will it be a rally killjoy?

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The trouble with this analogy is not just that Mr Brown is a droning killjoy and Mr Obama is not.

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Sorry to be a killjoy, and I truly wish the newlyweds well.

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Petulant love letters aside, Thurber rarely errs in the killjoy direction himself.

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Sorry to be a killjoy, but they already should be paying tax.

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Abolishing agencies is especially hard: the Adventure Activities Licensing Authority seen as a killjoy by those trying to bring fun to the young remains stubbornly in existence.

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The killjoy question of economics dampens the atmosphere somewhat during the question-and-answer session at the Greenwich party, with Mr Champion having to acknowledge that "we've got an airline business, and quite rightly, these people need to make money".

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Like the outcasts many no doubt were in high school, high-power rocketeers seem to derive a certain inner strength from the persecution they endure, nowadays at the hands of the Federal Aviation Administration, the Bureau of Alcohol, Tobacco and Firearms and other killjoy agencies looking to rain on their exploding parade.

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